body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f9;
    margin: 0;
    padding: 0;
}

.container {
    max-width: 600px;
    margin: 50px auto;
    padding: 20px;
    background-color: #fff;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
}

h1, h2 {
    color: #333;
}

.btn {
    display: inline-block;
    padding: 10px 20px;
    margin-top: 20px;
    background-color: #007bff;
    color: #fff;
    text-decoration: none;
    border-radius: 5px;
    transition: background-color 0.3s;
}

.btn:hover {
    background-color: #0056b3;
}

form {
    margin-top: 20px;
}

form label {
    display: block;
    margin-bottom: 5px;
    color: #555;
}

form input {
    width: 100%;
    padding: 10px;
    margin-bottom: 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
}

.progress {
    width: 100%;
    background-color: #ddd;
    border-radius: 5px;
    overflow: hidden;
    margin-top: 20px;
}

.progress-bar {
    height: 20px;
    background-color: #28a745;
}